code: def test_clip_inplace_reference(
      using_copy_on_write, warn_copy_on_write
  ):
      df = DataFrame({"a": [1.5, 2, 3]})
      df_copy = df.copy()
      arr_a = get_array(df, "a")
      view = df[:]
      if warn_copy_on_write:
          with tm.assert_cow_warning():
              df.clip(lower=2, inplace=True)
      else:
          df.clip(lower=2, inplace=True)
  
      if using_copy_on_write:
          assert not np.shares_memory(get_array(df, "a"), arr_a)
          assert df._mgr._has_no_reference(0)
          assert view._mgr._has_no_reference(0)
          tm.assert_frame_equal(df_copy, view)
      else:
          assert np.shares_memory(get_array(df, "a"), arr_a)
  
file_path: pandas/pandas/tests/copy_view/test_clip.py
imports: import numpy
  from pandas import DataFrame, option_context
  import pandas._testing
  from pandas.tests.copy_view.util import get_array
label_desc: Use image node_id 1 for calling a global function with example usage: test_clip_inplace_reference(using_copy_on_write, warn_copy_on_write) without return types